How Long Is a Decade?

We often hear the term decade but not necessarily we know for sure, whether caused because we forget or indeed we do not know, for that we present this article which will give a detailed explanation of how long is a decade?.

A decade is a time unit consisting of 10 years. Generally, a decade begins in the year ending in the number 0 and ends in the year ending in number 9. Example: the 80s decade, starting from 1980 to 1989.

So 1 decade equals 10 years. 2 decades means 20 years, 3 decades means 30 years, 4 decades = 40 years, etc. Decades are usually used to denote a relatively large amount of time (more than 10 years). Decades can be used to declare periods (time intervals),